Some causes of leg pain in adults include arthritis, chronic compartment syndrome, deep vein thrombosis, intermittent claudication and sciatic nerve damage. Muscle spasms are also a common cause of leg pain. People age 60 and older are more likely to experience the tightness of muscle cramps, notes Medical News Today.
Sprains, strains and stress fractures are additional causes of leg pain that usually occur when exercising or playing sports. Runners are particularly susceptible to leg injuries, especially if they are running long distances, states Medical News Today. Treatment options for leg pain vary according to the trigger. Drinking plenty of water, massaging the legs, and stretching may help prevent charley horses, or cramping in the calves.